Q: Which equation best describes the relationship between the ability of elastic fibers to stretch and their original length?

$$Stretch_{max} = 2 \times Length_{original}$$

Question 1

Which of the following is NOT a primary function of connective tissue in the human body?

Accepted Answer

Generating electrical impulses for communication

Question 2

All connective tissues share a common embryonic origin. From which tissue do they arise?

Accepted Answer

Mesenchyme

Question 3

A patient presents with joint dislocations, tall stature, and abnormal heart valves. Genetic testing reveals a defect in the gene for fibrillin-1. Which connective tissue component is most directly affected?

Accepted Answer

Elastic fibers

Question 4

Which connective tissue type is avascular and relies on diffusion from surrounding tissues for nutrient supply?

Accepted Answer

Cartilage

Question 5

Which component of the extracellular matrix is primarily responsible for attracting water and providing resistance to compression?

Accepted Answer

Glycosaminoglycans (GAGs)

Question 6

A tissue sample contains a gel-like matrix with all three types of protein fibers, fibroblasts, and immune cells. It is found deep to the epithelium and supports blood vessels. Which tissue is this?

Accepted Answer

Areolar connective tissue

Question 7

Which connective tissue cell type is responsible for producing inflammatory mediators such as histamine?

Accepted Answer

Mast cells

Question 8

Which type of connective tissue forms the mesh-like internal framework of lymph nodes and spleen, supporting other cell types?

Accepted Answer

Reticular connective tissue

Question 9

Which equation best represents the relationship between the water content in the extracellular matrix and the concentration of glycosaminoglycans (GAGs)?

Accepted Answer

$$Water_{ECM} \propto [GAGs]$$

Question 10

A patient with osteoarthritis is considering glucosamine supplements. What is the proposed mechanism by which glucosamine may help slow cartilage degeneration?

Accepted Answer

Stimulating chondroblast activity to produce more cartilage matrix

Question 11

Which connective tissue type is characterized by thick collagen fibers arranged in parallel bundles and is found in tendons and ligaments?

Accepted Answer

Dense regular connective tissue

Question 12

Which specialized connective tissue is surrounded by a perichondrium and contains chondrocytes in lacunae?

Accepted Answer

Cartilage

Question 13

Which connective tissue fiber type is most abundant in the body and provides resistance to tension and pressure?

Accepted Answer

Collagen fibers

Question 14

Which connective tissue cell type is primarily responsible for phagocytizing foreign substances and dead cells?

Accepted Answer

Macrophages

Question 15

Which connective tissue type is found in the intervertebral discs and pubic symphysis, providing tensile strength and absorbing compression?

Accepted Answer

Fibrocartilage

Question 16

Which equation best describes the relationship between the ability of elastic fibers to stretch and their original length?

Accepted Answer

$$Stretch_{max} = 2 	imes Length_{original}$$

Question 17

Which connective tissue type is found under the skin, around kidneys, and within the abdomen, serving as a reserve for energy and insulation?

Accepted Answer

Adipose connective tissue

Question 18

Which of the following best explains why cartilage injuries heal slowly compared to bone injuries?

Accepted Answer

Cartilage is avascular and relies on slow diffusion for nutrient delivery

Question 19

Which connective tissue component acts as a barrier to diffusion of substances through the ECM and forms aggregates to resist compression?

Accepted Answer

Proteoglycans

Question 20

Which connective tissue type is found in the costal cartilage, nose, trachea, and embryonic skeleton, and is characterized by a ground substance with fine collagen fibers?

Accepted Answer

Hyaline cartilage

Connective Tissues: Structure, Function, and Classification - Chapter 4 P3

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